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    <title>Document</title>
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<body>
    <script>
        // 求最大值
        function getMax(){
            // console.log(arguments);
            var max = arguments[0];
            for (var i = 0; i < arguments.length; i++){
                if(max < arguments[i]){
                    max = arguments[i];
                }
            }
            console.log(max);
        }
        getMax(1, 5, 2, 22, 6);
    </script>
</body>
</html>